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SANTOS,Thais Paes Rodrigues dos; FRANCO,Célia Maria Landi; MISCHAN,Martha Maria; LEONEL,Magali. |
Abstract Native cassava starch was gelatinized under different pretreatment conditions (preheating temperature, starch concentration and heating time) and spray-dried. A rotational compound central design was used to test the three independent variables: the preheating temperature, starch concentration, and heating time, and the behavior of the system was assessed by response surface methodology. The results showed a significant effect of both the preheating temperature and heating time on the cold viscosity. The combination of the preheating temperature and starch concentration affected the crystallinity, enthalpy change, solubility, and final viscosity. Modification by spray-drying resulted in a decrease in the crystalline regions, and enthalpy change,... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Morphology; X-ray diffraction; Thermal properties; Pasting properties; Pregelatinization. |
Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000400939 |
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Nipat Limsangouan; Sunaree Thamkrasae; Phisamai Srichayet; Kassamaporn Puntaburt; Chulaluck Charunuch. |
Effect of extrusion conditions on pasting properties (Cold peak (I), Raw peak, Hold, Breakdown, Final viscosity, Set back, Peak time and Cold peak (II)) of modified corn grit from extrusion process were investigated using Rapid Visco Analyzer (Software: Thermocline for windows Version 2.1 with extrusion profile method). A co-rotating twin screw extruder was used for modified corn grit with three operating factor such as particle size (250, 500 and 600 μm), feed moisture content (14, 16 and 18%) and screw speed (300, 350 and 400 rpm). Increasing feed moisture content results in extrudates with a higher pasting viscosity, but otherwise increasing screw speed shows with a lower response. Particle size has a slightly effect for this experiment. All of... |
Tipo: PhysicalObject |
Palavras-chave: Corn grit; Pasting properties; Extrusion; ข้วโพดบดหยาบ; การกดอัดเป็นรูป; สมบัติความหนืด; อุณหภูมิ. |
Ano: 2009 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5257 |
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TAKEITI, C. Y.; REIS, R. C.; CARVALHO, C. W. P. de; VIANA, E. de S.; OLIVEIRA, N. A. de; JESUS NETA, P. de; OLIVEIRA, L. A. de. |
A banana assume grande destaque na produção mundial, sendo que o Brasil ocupa a terceira posição da produção. As bananas podem ser consumidas cruas, enquanto os plátanos são consumidos necessariamente cozidos ou na forma de farinhas devido ao seu elevado teor de amido, constituindo assim uma oportunidade interessante para uso como ingrediente na indústria alimentícia. O objetivo deste trabalho foi caracterizar o amido extraído de 12 genótipos, dentre plátanos e bananas, pertencentes ao banco ativo de germoplasma da Embrapa. Os amidos apresentaram teor considerável de amilose (29,7% a 37,8%), baixos teores de fósforo (0,01% a 0,03%) e de lipídios (< 0,1%), larga faixa de temperatura de gelatinização (66,9 ºC a 90,8 ºC), estrutura granular heterogênea com... |
Tipo: Folhetos |
Palavras-chave: Food technology; Amylose; Pasting properties; Retrogradation; Ingredients; Viscosity. |
Ano: 2020 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1128743 |
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